Southern Pacific Freight Car Specification Sheet 7A
100 ton Covered Hoppers - 1968
Page 1
'Engineered' from Sheet 7 and the data from a photocopy of Sheet 7A

Page 2
Car Series Numbers SP & SSW (Cotton Belt) |
No. of Cars |
Capacity |
Loading Hatches |
Unloading Outlets |
Outside Dimensions |
Type of Car |
| Cubic Feet |
Nominal Pounds |
Average Light Weight |
Average Load Limit See heavier Loading Footnote (1) |
Pneumatic |
Gravity |
Length (2) |
Width |
Height |
| No. |
Inside Diameter |
No. |
Inside Diameter |
Height From Rail |
No. |
Opening |
Height From Rail |
SP 491000 to 491059 |
58 |
3,960 |
200,000 |
45,500 |
217,500 |
10 |
30" |
12 |
4½" |
12½" |
6 |
13" x 24" |
10" |
53' 10" |
10' 8" |
15' 0" |
Aluminum Centerflow |
SP 496000 to 496199 |
197 |
4,460 |
190,000 |
68,200 |
194,800 |
3 |
(3) |
6 |
6 1/16" |
10 5/8 " |
3 |
13" x 42" |
10 5/8" |
53' 10" |
10' 8" |
15' 1" |
Steel |
SP 496200 to 496299 |
100 |
4,650 |
197,000 |
65,300 |
197,700 |
3 |
(3) |
6 |
6 1/16" |
10" |
3 |
13" x 42" |
10" |
54' 9" |
10' 8" |
15' 1" |
Steel |
SSW 76300 to 76499 |
200 |
4,650 |
197,000 |
65,100 |
197,900 |
3 |
(3) |
6 |
6 1/16" |
10" |
3 |
13" x 42" |
10" |
54' 9" |
10' 8" |
15' 1" |
Steel |
SSW 77700 to 77899 |
200 |
4,650 |
197,000 |
65,400 |
197,600 |
3 |
(5) |
6 |
6 1/16" |
10" |
3 |
13" x 42" |
10" |
54' 9" |
10' 8" |
15' 6" |
Steel |
SSW 77900 to 77999 |
100 |
4,785 |
195,000 |
67,400 |
195,600 |
3 |
2 x 10' 6" |
6 |
6 1/16" |
9 7/8" |
3 |
34" x 31 5/8" (6) |
9 7/8" |
59' 3" |
10' 8" |
15' 1" |
Steel |
SSW 79000 to 79039 |
40 |
3,960 |
200,000 |
46,800 |
216,200 |
5 |
30" |
12 |
4½" |
12½" |
6 |
13" x 24" |
10" |
53' 9" |
10' 8" |
15' 0" |
Aluminum Centerflow |
SSW 79300 to 79399 |
197 |
4,460 |
190,000 |
68,200 |
194,800 |
3 |
(3) |
6 |
6 1/16" |
10 5/8 " |
3 |
13" x 42" |
10 5/8" |
53' 10" |
10' 8" |
15' 1" |
Steel |
SSW 79400 to 79449 |
50 |
5,250 |
194,000 |
68,000 |
195,000 |
8 |
20" |
8 |
6 1/16" |
8" |
(Pneumatic Only) |
58' 2" |
10' 8" |
15' 1" |
Steel |
SSW 79450 to 79499 |
50 |
5,250 |
191,000 |
70,700 |
192,300 |
8 |
20" |
8 |
6 1/16" |
10" |
4 |
13" x 42" |
10" |
58' 2" |
10' 8" |
15' 1" |
Steel |
SSW 79800 to 79899 |
100 |
4,650 |
197,000 |
65,100 |
197,900 |
3 |
(3) |
6 |
6 1/16" |
10" |
3 |
13" x 42" |
10" |
54' 9" |
10' 8" |
15' 1" |
Steel |
Car Series Numbers SP & SSW (Cotton Belt) |
No. of Cars |
Capacity |
Loading Hatches |
Unloading Outlets |
Outside Dimensions |
Type of Car |
| Cubic Feet |
Nominal Pounds |
Average Light Weight |
Average Load Limit See heavier Loading Footnote (1) |
Pneumatic |
Gravity |
Length (2) |
Width |
Height |
| No. |
Inside Diameter |
No. |
Inside Diameter |
Height From Rail |
No. |
Opening |
Height From Rail |
SP 490000 to 490099 |
100 |
3,219 |
194,000 |
67,700 |
195,300 |
10 |
30" |
(4) |
(4) |
(4) |
6 |
13" x 24" |
8" |
49' 7" |
10' 8" |
13' 5" |
Steel |
SP 492000 to 492039 |
40 |
4,000 |
200,000 |
57,900 |
205,100 |
10 |
30" |
6 |
6 1/16" |
14¼" |
6 |
13" x 24" (7) |
8" |
49' 8" |
10' 8" |
14' 9" |
Stainless Steel |
SP 493000 to 493400 |
399 |
3,920 |
195,000 |
66,700 |
196,300 |
10 |
30" |
6 |
4½" |
14 ¼" |
6 |
13" x 24" (7) |
8" |
49' 9" |
10' 7" |
15' 0" |
Steel |
SSW 76500 to 76549 |
50 |
3,219 |
195,000 |
67,300 |
195,700 |
10 |
30" |
6 |
5" |
8" |
6 |
13" x 24" (7) |
8" |
49' 9" |
10' 7" |
13' 5" |
Steel |
SSW 76550 to 76699 |
149 |
3,219 |
195,000 |
67,300 |
195,700 |
10 |
30" |
(Gravity Only) |
6 |
13" x 24" |
8" |
49' 9" |
10' 8" |
13' 5" |
Steel |
SSW 76700 to 76749 |
50 |
3,219 |
194,000 |
68,300 |
194,700 |
10 |
30" |
6 |
5" |
8" |
6 |
13" x 24" (7) |
8" |
49' 9" |
10' 8" |
13' 5" |
Steel |
SSW 76750 to 76799 |
50 |
3,219 |
194,000 |
68,300 |
194,700 |
10 |
30" |
(Gravity Only) |
6 |
13" x 24" |
8" |
49' 9" |
10' 8" |
13' 5" |
Steel |
SSW 79100 to 79299 |
191 |
3,920 |
190,000 |
66,100 |
196,900 |
10 |
30" |
6 |
5" |
8" |
6 |
13" x 24" (7) |
8" |
49' 7" |
10' 7" |
15' 0" |
Steel |
Total No. of Cars 2,223
- Heavier loads are permitted when shipments move only on Southern Pacific lines (including Cotton Belt) and
certain connecting carriers. For information, contact your nearest Southern Pacific Traffic representative.
- Indicates coupled length of car.
- The two end hatches measure 20" x 15' 1¾", the center hatch 20" x 12' 7¾".
- Cars 490005, 490022, 490038, 490039, 490054, 490072 equipped with six 4½" dia. pneumatic unloading outlets, three each side of car.
- The two end hatches measure 20½" x 15' 2¼", center hatch 20" x 12' 8¼".
- Hopper openings are 34" x 31' 5/8", but the lading must flow around pneumatic device in hopper (See Fig.3). Working flow area is 664 square inches.
- Hopper openings are 13" x 24", but the lading must flow around pneumatic device in hopper (See Fig.3). Working flow area is 130 square inches.
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